Mitutoyo Surftest SJ-410 Series 178 – Portable Surface Tester


– The new Mitutoyo SJ-411/412 has countless innovative features to compliment its high accuracy and competitive price. This instrument is the new leader in its class.

– The Mitutoyo Surftest SJ 410 Series 178 allows for both skidded and skidless measurements are possible with this series. Equipped with 46 roughness parameters, this device conforms to the latest ISO, DIN, ANSI, and JIS standards.

– A wide-range, high-resolution detector and a drive unit on the SJ 410 provide superior accuracy measurements.


– Measuring range: 800?m

– Resolution: 0.000125?m (at 8?m range)

– Drive unit

– Straightness/traverse length

– – SJ-411: 0.3?m/25mm

– – SJ-412: 0.5?m/50mm

– Ultra-fine steps, the straightness and the waviness can be measured using the skidless measurement function.

– Enhance readability and operability with Mitutoyo SJ-410 Surftest. Handheld unit, 5.7″ color touch-panel LCD, backlight for visibility in dark environments.

  • Intuitive and user-friendly interface for easy operability.
  • Output measured data to a PC using optional RS-232C or USB cable.
  • Digital filter function ensures non-distorted roughness profiles.
  • GO/NG judgment function for quick quality assessment.
  • Auto-calibration function for precise measurements.
  • Display interface supports 16 languages for versatile usage.
  • Simplified contour analysis function with multiple measurement types.
  • Password protection to secure settings and prevent unintended operations.
  • Optional attachments for mounting on a column stand, enhancing operability.
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The Mitutoyo SJ-410 Surface Roughness Tester is a cutting-edge instrument designed to deliver unmatched precision and accuracy in the field of surface roughness measurement. Developed by Mitutoyo, a renowned leader in metrology solutions, the SJ-410 sets new benchmarks in quality, reliability, and ease of use, making it the ideal choice for industries where surface finish plays a critical role.
Unparalleled Accuracy and Resolution:
At the heart of the SJ-410 lies a sophisticated sensing technology that ensures exceptional accuracy and resolution. Equipped with a high-precision stylus and advanced filtering algorithms, this surface roughness tester provides precise measurements of even the finest surface irregularities. With a resolution of 0.001 µm and a measurement range of 400 µm, the SJ-410 guarantees accurate results across a wide spectrum of applications.
Intuitive Interface and User-Friendly Design:
The SJ-410 features a user-friendly interface and a sleek design that enhances usability and efficiency. Its large color LCD touchscreen simplifies operation, allowing users to navigate through various functions and settings with ease. The intuitive graphical user interface provides real-time measurements and comprehensive statistical data, empowering users to make informed decisions quickly. The built-in memory and USB connectivity options facilitate effortless data storage and transfer, ensuring seamless integration into existing workflows.
Versatility and Adaptability:
The Mitutoyo SJ-410 offers unparalleled versatility, accommodating diverse measurement requirements. Its interchangeable measuring and analysis modules allow users to adapt the instrument to different surfaces and materials, ensuring accurate results across a broad range of applications. Whether it’s measuring roughness on machined parts, metal surfaces, or delicate components, the SJ-410 is up to the task.
Advanced Features for Enhanced Efficiency:
Designed to streamline measurement processes, the SJ-410 comes packed with advanced features that enhance efficiency and productivity. Its automatic start/stop function ensures consistent and reliable measurements, eliminating the guesswork associated with manual operation. Additionally, the tester’s motorized stylus lifter and advanced position tracking technology guarantee precise stylus positioning and minimal setup time, enabling rapid and hassle-free measurements.
Comprehensive Reporting and Analysis:
The SJ-410 offers comprehensive reporting and analysis capabilities to extract valuable insights from surface roughness data. The instrument provides a wide range of predefined and customizable parameters, including Ra, Rz, Rt, and more, enabling users to evaluate surface finish characteristics according to industry standards. The included analysis software allows for in-depth data examination, trend analysis, and graphical representation, facilitating detailed reporting and quality control.
Durability and Longevity:
Mitutoyo is renowned for manufacturing instruments built to withstand the demands of industrial environments, and the SJ-410 is no exception. Constructed from high-quality materials and subjected to rigorous quality control, this surface roughness tester is designed to deliver exceptional performance over the long term. Its robust build ensures durability, while the provided protective case safeguards the instrument during transportation and storage.
Unmatched Support and Service:
Mitutoyo takes pride in providing exceptional customer support and service. With a global network of trained technicians and knowledgeable professionals, Mitutoyo ensures that users receive prompt assistance and guidance whenever needed. Furthermore, the SJ-410 is backed by a comprehensive warranty, offering peace of mind and ensuring reliable performance for years to come.
The Mitutoyo SJ-410 Surface Roughness Tester is equipped with a range of capabilities that make it a powerful and versatile tool for surface roughness measurement. Here are some of its key capabilities:
High-precision Measurement: The SJ-410 offers exceptional accuracy and resolution, enabling precise measurement of surface roughness. With a resolution of 0.001 µm, it can detect even the finest irregularities on a surface.
Wide Measurement Range: The instrument has a measurement range of 400 µm, allowing it to measure a broad spectrum of surface roughness, from very smooth to highly textured surfaces.
Multiple Parameters: The SJ-410 provides various roughness parameters, including Ra, Rz, Rt, Rq, Rp, and more. These parameters allow for a comprehensive evaluation of surface roughness characteristics, conforming to industry standards and specific application requirements.
Versatile Stylus Options: The SJ-410 supports interchangeable stylus options, allowing users to adapt the instrument to different types of surfaces and measurement scenarios. It can accommodate various stylus profiles, including skidless and skidded stylus types.
Automatic Start/Stop Function: The instrument is equipped with an automatic start/stop function, ensuring consistent and reliable measurements. This feature eliminates the need for manual triggering and helps reduce user variability.
Motorized Stylus Lifter: The SJ-410 features a motorized stylus lifter, which automatically adjusts the stylus position during measurements. This capability ensures precise stylus positioning and reduces the setup time between measurements.
Advanced Position Tracking: The instrument incorporates advanced position tracking technology, allowing it to accurately trace the surface contours during measurements. This capability enhances measurement accuracy, especially on curved or irregular surfaces.
Statistical Analysis: The SJ-410 provides statistical analysis functions to evaluate surface roughness data. Users can access parameters such as mean, standard deviation, maximum, minimum, and more. These statistical insights facilitate quality control and process optimization.
Data Storage and Transfer: The SJ-410 has built-in memory for storing measurement data. It also offers USB connectivity, enabling users to transfer data to a computer or external storage device for further analysis or documentation.
User-Friendly Interface: The instrument features a large color LCD touchscreen with an intuitive graphical user interface. This user-friendly interface makes it easy to navigate through functions, configure settings, and view real-time measurements.
Comprehensive Reporting: The SJ-410 allows for the generation of comprehensive reports, documenting the measured roughness parameters and additional data analysis performed. These reports can include essential information such as sample details, instrument settings, and date of measurement.
Durability and Reliability: Mitutoyo is known for manufacturing high-quality instruments, and the SJ-410 is built to withstand the demands of industrial environments. Its durable construction ensures long-lasting performance, while the provided protective case safeguards the instrument during transportation and storage.
These capabilities of the Mitutoyo SJ-410 Surface Roughness Tester make it a reliable and efficient tool for accurately measuring and evaluating surface roughness in a wide range of applications.
In conclusion, the Mitutoyo SJ-410 Surface Roughness Tester stands as a pinnacle of precision and performance in the field of surface roughness measurement. Its unbeatable accuracy, user-friendly design, versatility, and advanced features make it an indispensable tool for industries where surface finish is critical. With Mitutoyo’s commitment to quality and customer satisfaction, the SJ-410 is a testament to their dedication to pushing the boundaries of metrology solutions. Experience the future of surface roughness measurement with the Mitutoyo SJ-410.
The Mitutoyo SJ-410 Surface Roughness Tester is designed to measure and evaluate the roughness of various surfaces. Here’s a step-by-step guide on how to use the SJ-410 effectively:

  1. Preparation:
    • Ensure that the SJ-410 is properly connected to a power source or has sufficient battery power.
    • Make sure the stylus is clean and in good condition. Replace it if necessary.
    • Calibrate the instrument according to the manufacturer’s instructions, if required.
  2. Powering On:
    • Turn on the SJ-410 by pressing the power button.
    • Wait for the instrument to initialize and display the main screen.
  3. Configuration and Settings:
    • Use the touchscreen interface to configure the measurement parameters and settings.
    • Set the appropriate measurement mode, such as Ra (arithmetical mean roughness) or Rz (mean roughness depth).
    • Adjust the cutoff length to define the sampling length for measurements.
    • Select the appropriate evaluation length based on the surface characteristics and requirements.
    • Configure other settings, such as measurement speed, stylus force, and filtering options.
  4. Measurement:
    • Prepare the surface to be measured by ensuring it is clean and free from debris.
    • Place the instrument on the surface and align the stylus with the desired measurement area.
    • Press the start button or trigger to initiate the measurement process.
    • The SJ-410 will automatically move the stylus across the surface, collecting data points.
    • Allow the instrument to complete the measurement process, which may take a few seconds.
  5. Data Analysis:
    • Once the measurement is complete, the SJ-410 will display the obtained roughness parameters on the screen.
    • Review the results and analyze the data to assess the surface roughness characteristics.
    • Utilize the built-in analysis software or transfer the data to a computer for further analysis if required.
    • Take note of any deviations from the desired surface roughness specifications and evaluate their impact on the application.
  6. Reporting:
    • Generate reports that document the measured roughness parameters and any additional data analysis performed.
    • Include relevant information such as the measurement date, sample details, and instrument settings.
    • Save the measurement data for future reference or quality control purposes.
    • Export the data to a computer or external storage device, if necessary.
  7. Maintenance:
    • After each use, clean the stylus and instrument to remove any residual contaminants.
    • Store the SJ-410 in its protective case or a suitable location to prevent damage and maintain its longevity.
    • Regularly calibrate the instrument as recommended by the manufacturer to ensure accurate and consistent measurements.

Remember to consult the user manual provided by Mitutoyo for detailed instructions specific to the SJ-410 model.
The Mitutoyo SJ-410 Surface Roughness Tester is known for its high precision in measuring surface roughness. Its precision is determined by its resolution, repeatability, and accuracy. Here’s an overview of the precision capabilities of the SJ-410:

  1. Resolution: The SJ-410 offers an impressive resolution of 0.001 µm (micrometer). This level of resolution allows for the detection and measurement of even the smallest irregularities on a surface, providing highly detailed and precise results.
  2. Repeatability: Repeatability refers to the instrument’s ability to produce consistent measurements when measuring the same surface multiple times. The SJ-410 has excellent repeatability, ensuring that repeated measurements of the same surface under the same conditions yield very close results. This feature is crucial for reliable and consistent measurements.
  3. Accuracy: Accuracy represents how closely the measured values correspond to the true values. The SJ-410 is designed to provide accurate measurements, minimizing deviations from the actual surface roughness characteristics. Its advanced sensing technology, coupled with high-quality components and calibration capabilities, contributes to its accuracy.
  4. Advanced Filtering Algorithms: The SJ-410 incorporates advanced filtering algorithms to enhance measurement precision. These algorithms help reduce noise and extraneous signals, ensuring that the measured values primarily reflect the surface roughness characteristics without interference from other factors.
  5. Stylus and Positioning Technology: The SJ-410 utilizes a high-precision stylus and advanced positioning technology to ensure accurate and precise measurements. The stylus is designed to minimize tip radius variations and maintain consistent contact with the surface, contributing to measurement precision. The advanced positioning technology allows the instrument to trace the surface contours accurately, further enhancing precision, especially on complex surfaces.
  6. Calibration and Traceability: Mitutoyo emphasizes the importance of calibration and traceability to ensure measurement accuracy and precision. The SJ-410 can be calibrated to maintain its accuracy and precision over time. Mitutoyo provides calibration services and traceable calibration standards, allowing users to validate and maintain the instrument’s precision.

It’s worth noting that the precision of the SJ-410 can be influenced by factors such as environmental conditions, proper instrument usage, surface preparation, and operator technique. Adhering to the manufacturer’s guidelines, proper calibration, and regular maintenance will help optimize the precision and performance of the SJ-410 Surface Roughness Tester, ensuring reliable and accurate measurements.

Additional information

Model - Drive Unit

SJ-411, SJ-412


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